/*
 * Copyright 2007. Mount Sinai Hospital, Toronto, Canada.
 * 
 * Licensed under the GNU Lesser General Public License, Version 2. You
 * can find a copy of the license at:
 * 
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
 * 
 * IN NO EVENT SHALL MOUNT SINAI HOSPITAL BE LIABLE TO ANY PARTY FOR DIRECT, 
 * INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST 
 * PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, 
 * EVEN IF MOUNT SINAI HOSPITAL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 
 * DAMAGE.
 * 
 * MOUNT SINAI HOSPITAL SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE AND 
 * ACCOMPANYING DOCUMENTATION, IF ANY, PROVIDED HEREUNDER IS PROVIDED "AS IS". 
 * MOUNT SINAI HOSPITAL HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, 
 * UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 
 */
package com.sinai.mshab.client.util;

/**
 * The factory that provides the Singleton {@link ComponentRegistry} used in
 * this mshab application.
 * 
 * @author Arthur Kalmenson
 */
public class ComponentRegistryFactory {

	/**
	 * The instance of the ComponentRegistry.
	 */
	private static ComponentRegistry registry;

	/**
	 * A private constructor to insure that the factory is not instantiated.
	 */
	protected ComponentRegistryFactory() {
	}

	/**
	 * Returns the single instance of the ComponentRegistry being used in this
	 * mshab application.
	 * 
	 * @return the single instance of the ComponentRegistry.
	 */
	public static ComponentRegistry getInstance() {
		if (registry == null) {
			registry = new SimpleComponentRegistry();
		}
		return registry;
	}
}
